Fibre-optic vibration probe

30 January 1986

journal article
Published by Institution of Engineering and Technology (IET) in Electronics Letters

Vol. 22 (3) , 167-168
https://doi.org/10.1049/el:19860117

Abstract

A practical all-fibre laser vibrometer is described. The design has been optimised for hand-held use and incorporates a frequency-scanned laser diode and a single-mode optical fibre coupler. The vibration information is extracted by a pseudoheterodyne technique.

Keywords

LASER DOPPLER VELOCIMETRY
HAND-HELD USE
VIBRATION PROBE
SINGLE-MODE OPTICAL FIBRE COUPLER
FIBRE OPTIC VIBROMETER
PSEUDO-HETERODYNE TECHNIQUE
FREQUENCY-SCANNED LASER DIODE

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